Grain dryer



FIG. 1 is a perspective view of the grain dryer embodying the design of the present invention;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a rear end elevational view thereof;

FIG. 4 is a top view thereof, the bottom being a mirror image thereof; and,

FIG. 5 is a side elevational view thereof, the side opposite being a mirror image thereof. 

The ornamental design for a grain dryer, as shown and described. 